The lumbar spine and subarachnoid block.
D000775:Anesthesia, Spinal; D006552:Hernia, Inguinal / Q000601:surgery; D006801:Humans; D007278:Injections, Spinal; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging; D011187:Posture; D011468:Prostatectomy; D011859:Radiography; D013748:Tetracaine / Q000008:administration & dosage; D013904:Thoracic Vertebrae / Q000000981:diagnostic imaging
D013748:Tetracaine